DE60118982D1 - Rare earth permanent magnet material - Google Patents
Rare earth permanent magnet materialInfo
- Publication number
- DE60118982D1 DE60118982D1 DE60118982T DE60118982T DE60118982D1 DE 60118982 D1 DE60118982 D1 DE 60118982D1 DE 60118982 T DE60118982 T DE 60118982T DE 60118982 T DE60118982 T DE 60118982T DE 60118982 D1 DE60118982 D1 DE 60118982D1
- Authority
- DE
- Germany
- Prior art keywords
- permanent magnet
- rare earth
- magnet material
- earth permanent
- rare
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0577—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together sintered
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/059—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Power Engineering (AREA)
- Hard Magnetic Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2001/005202 WO2002103719A1 (en) | 2001-06-19 | 2001-06-19 | Rare earth element permanent magnet material |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60118982D1 true DE60118982D1 (en) | 2006-05-24 |
DE60118982T2 DE60118982T2 (en) | 2006-11-30 |
Family
ID=11737454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60118982T Expired - Fee Related DE60118982T2 (en) | 2001-06-19 | 2001-06-19 | Rare earth permanent magnet material |
Country Status (6)
Country | Link |
---|---|
US (1) | US7175718B2 (en) |
EP (1) | EP1398800B1 (en) |
JP (1) | JPWO2002103719A1 (en) |
CN (1) | CN1182547C (en) |
DE (1) | DE60118982T2 (en) |
WO (1) | WO2002103719A1 (en) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1408518B1 (en) * | 2002-10-08 | 2010-12-15 | Hitachi Metals, Ltd. | Sintered R-Fe-B permanent magnet and its production method |
US7426780B2 (en) | 2004-11-10 | 2008-09-23 | Enpirion, Inc. | Method of manufacturing a power module |
US7462317B2 (en) | 2004-11-10 | 2008-12-09 | Enpirion, Inc. | Method of manufacturing an encapsulated package for a magnetic device |
US8701272B2 (en) * | 2005-10-05 | 2014-04-22 | Enpirion, Inc. | Method of forming a power module with a magnetic device having a conductive clip |
US8631560B2 (en) | 2005-10-05 | 2014-01-21 | Enpirion, Inc. | Method of forming a magnetic device having a conductive clip |
US8139362B2 (en) * | 2005-10-05 | 2012-03-20 | Enpirion, Inc. | Power module with a magnetic device having a conductive clip |
US7688172B2 (en) * | 2005-10-05 | 2010-03-30 | Enpirion, Inc. | Magnetic device having a conductive clip |
US8018315B2 (en) * | 2007-09-10 | 2011-09-13 | Enpirion, Inc. | Power converter employing a micromagnetic device |
US7955868B2 (en) * | 2007-09-10 | 2011-06-07 | Enpirion, Inc. | Method of forming a micromagnetic device |
US8133529B2 (en) * | 2007-09-10 | 2012-03-13 | Enpirion, Inc. | Method of forming a micromagnetic device |
US7920042B2 (en) * | 2007-09-10 | 2011-04-05 | Enpirion, Inc. | Micromagnetic device and method of forming the same |
US7952459B2 (en) * | 2007-09-10 | 2011-05-31 | Enpirion, Inc. | Micromagnetic device and method of forming the same |
US8692532B2 (en) | 2008-04-16 | 2014-04-08 | Enpirion, Inc. | Power converter with controller operable in selected modes of operation |
US8686698B2 (en) | 2008-04-16 | 2014-04-01 | Enpirion, Inc. | Power converter with controller operable in selected modes of operation |
US9246390B2 (en) | 2008-04-16 | 2016-01-26 | Enpirion, Inc. | Power converter with controller operable in selected modes of operation |
US8541991B2 (en) | 2008-04-16 | 2013-09-24 | Enpirion, Inc. | Power converter with controller operable in selected modes of operation |
US8339802B2 (en) * | 2008-10-02 | 2012-12-25 | Enpirion, Inc. | Module having a stacked magnetic device and semiconductor device and method of forming the same |
US8266793B2 (en) | 2008-10-02 | 2012-09-18 | Enpirion, Inc. | Module having a stacked magnetic device and semiconductor device and method of forming the same |
US8153473B2 (en) * | 2008-10-02 | 2012-04-10 | Empirion, Inc. | Module having a stacked passive element and method of forming the same |
US9054086B2 (en) * | 2008-10-02 | 2015-06-09 | Enpirion, Inc. | Module having a stacked passive element and method of forming the same |
US9548714B2 (en) * | 2008-12-29 | 2017-01-17 | Altera Corporation | Power converter with a dynamically configurable controller and output filter |
US8698463B2 (en) * | 2008-12-29 | 2014-04-15 | Enpirion, Inc. | Power converter with a dynamically configurable controller based on a power conversion mode |
US8867295B2 (en) | 2010-12-17 | 2014-10-21 | Enpirion, Inc. | Power converter for a memory module |
CN103258609B (en) * | 2013-05-14 | 2016-08-10 | 深圳大学 | The preparation method of anisotropism nanometer rare earth permanent magnetic material |
US9509217B2 (en) | 2015-04-20 | 2016-11-29 | Altera Corporation | Asymmetric power flow controller for a power converter and method of operating the same |
CN105355413B (en) * | 2015-12-07 | 2017-06-16 | 北京科技大学 | It is a kind of to reduce the method that sintering temperature prepares magnetic sintered NdFeB high |
JP6813457B2 (en) | 2017-08-30 | 2021-01-13 | 株式会社東芝 | Permanent magnets, rotary electric machines, and vehicles |
WO2019111328A1 (en) * | 2017-12-05 | 2019-06-13 | 三菱電機株式会社 | Permanent magnet, permanent magnet production method, and, rotary machine |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59163803A (en) * | 1983-03-08 | 1984-09-14 | Sumitomo Special Metals Co Ltd | Permanent magnet |
JPS59132105A (en) * | 1983-01-19 | 1984-07-30 | Sumitomo Special Metals Co Ltd | Permanent magnet |
CA1316375C (en) * | 1982-08-21 | 1993-04-20 | Masato Sagawa | Magnetic materials and permanent magnets |
US5466308A (en) * | 1982-08-21 | 1995-11-14 | Sumitomo Special Metals Co. Ltd. | Magnetic precursor materials for making permanent magnets |
JPS62116756A (en) * | 1985-11-15 | 1987-05-28 | Hitachi Metals Ltd | Permanent magnet alloy |
JPS62165305A (en) * | 1986-01-16 | 1987-07-21 | Hitachi Metals Ltd | Permanent magnet of good thermal stability and manufacture thereof |
JP2530641B2 (en) * | 1986-03-20 | 1996-09-04 | 日立金属株式会社 | Magnetically anisotropic bonded magnet, magnetic powder used therefor, and method for producing the same |
EP0421488B1 (en) * | 1986-07-23 | 1994-10-12 | Hitachi Metals, Ltd. | Permanent magnet with good thermal stability |
JPS6329908A (en) * | 1986-07-23 | 1988-02-08 | Hitachi Metals Ltd | Manufacture of r-fe-b rare earth magnet |
US4983232A (en) * | 1987-01-06 | 1991-01-08 | Hitachi Metals, Ltd. | Anisotropic magnetic powder and magnet thereof and method of producing same |
US5022939A (en) * | 1987-07-30 | 1991-06-11 | Tdk Corporation | Permanent magnets |
JPH023206A (en) * | 1988-06-20 | 1990-01-08 | Seiko Epson Corp | Rare earth-iron system permanent magnet |
JPH024942A (en) * | 1989-02-10 | 1990-01-09 | Toshiba Corp | Permanent magnetic alloy |
JP2739525B2 (en) * | 1991-02-22 | 1998-04-15 | 同和鉱業株式会社 | R-Fe-BC permanent magnet alloy with low irreversible demagnetization and excellent thermal stability |
US5405455A (en) * | 1991-06-04 | 1995-04-11 | Shin-Etsu Chemical Co. Ltd. | Rare earth-based permanent magnet |
JP3254229B2 (en) * | 1991-09-11 | 2002-02-04 | 信越化学工業株式会社 | Manufacturing method of rare earth permanent magnet |
JP2684140B2 (en) * | 1992-10-19 | 1997-12-03 | 住友特殊金属株式会社 | Rare earth / iron / cobalt / boron tetragonal compounds |
JPH06283316A (en) | 1992-10-29 | 1994-10-07 | Hitachi Metals Ltd | Iron-rare earth permanent magnet material and its manufacture |
JP4678741B2 (en) | 1998-05-19 | 2011-04-27 | 大同特殊鋼株式会社 | Anisotropic magnet material |
EP0994493B1 (en) * | 1998-10-14 | 2003-09-10 | Hitachi Metals, Ltd. | R-T-B sintered permanent magnet |
EP1014392B9 (en) * | 1998-12-15 | 2004-11-24 | Shin-Etsu Chemical Co., Ltd. | Rare earth/iron/boron-based permanent magnet alloy composition |
US6319335B1 (en) * | 1999-02-15 | 2001-11-20 | Shin-Etsu Chemical Co., Ltd. | Quenched thin ribbon of rare earth/iron/boron-based magnet alloy |
-
2001
- 2001-06-19 CN CNB018150578A patent/CN1182547C/en not_active Expired - Fee Related
- 2001-06-19 WO PCT/JP2001/005202 patent/WO2002103719A1/en active IP Right Grant
- 2001-06-19 JP JP2003505947A patent/JPWO2002103719A1/en active Pending
- 2001-06-19 EP EP01938736A patent/EP1398800B1/en not_active Expired - Lifetime
- 2001-06-19 DE DE60118982T patent/DE60118982T2/en not_active Expired - Fee Related
- 2001-06-19 US US10/415,273 patent/US7175718B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1398800A4 (en) | 2004-11-03 |
US20040025975A1 (en) | 2004-02-12 |
CN1182547C (en) | 2004-12-29 |
US7175718B2 (en) | 2007-02-13 |
EP1398800B1 (en) | 2006-04-19 |
WO2002103719A1 (en) | 2002-12-27 |
EP1398800A1 (en) | 2004-03-17 |
JPWO2002103719A1 (en) | 2004-10-07 |
CN1451166A (en) | 2003-10-22 |
DE60118982T2 (en) | 2006-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60118982D1 (en) | Rare earth permanent magnet material | |
DE60111144D1 (en) | Permanent magnet rotor | |
DE602004009979D1 (en) | R-T-B rare earth permanent magnet | |
DE69911138D1 (en) | Sintered R-T-B permanent magnet | |
DE60100154T2 (en) | Rare earth magnet and manufacturing process | |
FI20011265A (en) | Permanent magnet element and electric machine | |
DE60115758D1 (en) | Permanent magnet reluctance motor | |
EP1712652A4 (en) | R-fe-b-based rare earth permanent magnet material | |
DE60131699D1 (en) | Permanent magnet materials based on R-Fe-B | |
DE60309120D1 (en) | Sintered R-Fe-B magnet | |
GB2436753B (en) | Permanent magnet motors | |
DE60040570D1 (en) | Rare earth permanent magnet and its manufacturing process | |
EP1455368A4 (en) | Corrosion-resistant rare earth element magnet | |
DE60229907D1 (en) | Permanent magnet rotor and permanent magnet machine | |
AU5521201A (en) | Permanent magnet keeper-shield assembly | |
DE60317767D1 (en) | R-T-B rare earth permanent magnet | |
DE60221448D1 (en) | Rare earth alloy sintered molding | |
EP1460653A4 (en) | R-t-b based rare earth element permanent magnet and magnet composition | |
NO20022137D0 (en) | Permanent magnetic electric machine | |
DE602005003599D1 (en) | Rare earth permanent magnet | |
DE60233189D1 (en) | Rare earth permanent magnet | |
DE60129590D1 (en) | MAGNET PUMP | |
DE60129506D1 (en) | Production method for rare earth permanent magnets | |
DE60214462D1 (en) | Permanent magnetic motor | |
DE60131869D1 (en) | MAGNETIC SEALING DEVICE |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R084 | Declaration of willingness to licence |
Ref document number: 1398800 Country of ref document: EP Effective date: 20110630 Ref document number: 1398800 Country of ref document: EP Effective date: 20110708 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Ref document number: 1398800 Country of ref document: EP |